%0 Journal Article
%A P. L. Ul'yanov
%T Solved and unsolved problems in the theory of trigonometric and orthogonal series
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1964
%P 1-62
%V 19
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1964_19_1_a0/
%G en
%F RM_1964_19_1_a0